What Game and Watch collection is your favorite? The Club Nintendo DS collections, DSiWare, 3DS Virtual Console, Gamboy systems, or the original Game and Watch system? I don't know what to get. What's worth the money?

What Game and Watch collection is your favorite? The Club Nintendo DS collections, DSiWare, 3DS Virtual Console, Gamboy systems, or the original Game and Watch system? I don't know what to get. What's worth the money?